Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey N Johnston, PA

Physician Assistant in Houston, TX · enumerated 2013.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1477894186

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Registry record

Entity type Individual (Type 1)

Name Jeffrey N Johnston

Credential PA

Sex Male

Practice address 6620 Main Street, 13th Floor, Houston, TX, 77030

Phone (713) 986-6221

Enumeration date Mar 5, 2013

Last updated in NPPES Feb 18, 2016

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 2508 (OK) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jeffrey Johnston?

The National Provider Identifier (NPI) for Jeffrey Johnston is 1477894186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Johnston practice?

The practice location on file with NPPES is in Houston, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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St. Luke'S Diagnostic Cath Lab, LLP Clinic/Center · Houston, TX NPI 1841296357 Joseph Sellin Gastroenterology Physician · Houston, TX NPI 1366501744 Baylor College of Medicine Family Medicine Physician · Houston, TX NPI 1457556565 Mohit Khera Urology Physician · Houston, TX NPI 1669677381 Baylor College of Medicine, Department of Orthopedic Surgery Orthopaedic Surgery Physician · Houston, TX NPI 1386839017 Jason Hou Gastroenterology Physician · Houston, TX NPI 1609038686 Lauren Cozad Family Nurse Practitioner · Houston, TX NPI 1578803458

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-18.